A study of 5,000 case records was recently made to ascertain how frequently weakness of accommodation was found. It developed into a most interesting piece of work because it revealed certain surprises, a few of which will probably be of sufficient interest to warrant a paper.
The points noted in the examination were as follows :
Name, age and occupation; history, complaint and objective examination.
Vision without present glasses, with glasses, and by manifest refraction ; a record of various previously purchased glasses, date of purchase and whether or not refraction was by cycloplegic.
If vision was 6/12 or better, the near point of accommodation was measured.
Muscular balance, duction tests and near point of convergence.
Dark room examination.
Examination with cycloplegic, objective and subjective.
Final test a week later (if atropine was used, two weeks later). Glasses ordered; patient requested to return with glasses.
ALLEN TD. ANOMALIES OF ACCOMMODATION: THEIR FREQUENCY AND VARIETY. Arch Ophthalmol. 1930;4(1):84–89. doi:10.1001/archopht.1930.00810090092007
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